The recovery time from an IPL TM skin procedure is often very short, as there is very little damage done to the skin during treatment. Depending on the skin malady you are seeking to remedy as well as your skin type, the redness that is present following the procedure may persist for a longer or shorter period of time.
A socket is one end-point of a two-way communication link between two programs running on the network. Socket classes are used to represent the connection between a client program and a server program. The java.net package provides two classes--Socket and ServerSocket--that implement the client side of the connection and the server side of the connection, respectively. Reading from and Writing to a Socket. This page contains a small example that illustrates how a client program can read from and write to a socket. Writing a Client/Server Pair
Port: In simple language, Port is a number used by a particular software to identify its data coming from internet. Each software like, skype, chrome, youtube has its own port number and thats how skype or youtube knows which internet data is for itself. Socket: IP address and Port  together is called Socket. It is used by another computer to send data to one particular computer's particular software. IP address is used to identify the computer and Port is to identify the software such as IE, Chrome, Skype etc.